16115561560603 has 2 divisors, whose sum is σ = 16115561560604. Its totient is φ = 16115561560602.

The previous prime is 16115561560529. The next prime is 16115561560607. The reversal of 16115561560603 is 30606516551161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16115561560603 is a prime.

It is a super-2 number, since 2×16115561560603² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16115561560607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8057780780301 + 8057780780302.

It is an arithmetic number, because the mean of its divisors is an integer number (8057780780302).

Almost surely, 2^{16115561560603} is an apocalyptic number.

16115561560603 is a deficient number, since it is larger than the sum of its proper divisors (1).

16115561560603 is an equidigital number, since it uses as much as digits as its factorization.

16115561560603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 16115561560603 in words is "sixteen trillion, one hundred fifteen billion, five hundred sixty-one million, five hundred sixty thousand, six hundred three".